Lamp



FIG. 1 is a perspective view of a illumination lamp showing my new design; where those indicated by dashed lines are not claimed in the invention;

FIG. 2 is a left side view thereof; where those indicated by dashed lines are not claimed in the invention;

FIG. 3 is a right side view thereof; where those indicated by dashed lines are not claimed in the invention;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof; where those indicated by dashed lines are not claimed in the invention;

FIG. 6 is a top plan view thereof; where those indicated by dashed lines are not claimed in the invention; and,

FIG. 7 is a bottom plan view thereof.

The broken lines in the drawings represent unclaimed details and form no part of the claimed design. 

I claim the ornamental design for a lamp, as shown and described. 